noob question about youtube!

So i've been trying to leave links on youtube videos and its not letting me. I've tried all the usual tricks (.) c0m leaving out the www. everything and it wont let me leave links is it actually possible?

Sorry about the noobie question
Thanks in advance!

Are you referring to clickable links? I don't think this is possible. For a clickable link add the URL to your info page and make sure it's listed at the top.

yea clickable links. I was begining to think it wasnt possible.
Thanks for yea help